@article{PIM_1975_N_S_18_32_a4,
     author = {Svetislav M. \v{C}antrak},
     title = {Der {Widerstand} {Eines} {Ellipsoides} {Bei} {Der} {Bewegung} {In} {Richtung} {Der} {Rotationsachse} {In} {Einer} {Rotierenden} {Fl\"ussigkeit}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {47 },
     publisher = {mathdoc},
     volume = {_N_S_18},
     number = {32},
     year = {1975},
     url = {http://geodesic.mathdoc.fr/item/PIM_1975_N_S_18_32_a4/}
}